diff --git a/modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js b/modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js
index 59a97efecd..1fbe513f1d 100644
--- a/modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js
+++ b/modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js
@@ -12,7 +12,7 @@ const callSystemValidateFirmwareImage = rpc.declare({
 	object: 'system',
 	method: 'validate_firmware_image',
 	params: [ 'path' ],
-	expect: { '': { valid: false, forcable: true } }
+	expect: { '': { valid: false, forceable: true } }
 });
 
 function findStorageSize(procmtd, procpart) {